#!/usr/bin/env expect
############################################################################
# Purpose: Test of Slurm functionality
#          Cray burst buffer use by job arrays
############################################################################
# Copyright (C) 2015-2018 SchedMD LLC.
# Written by Morris Jette <jette(at)schedmd.com>
#
# This file is part of Slurm, a resource management program.
# For details, see <https://slurm.schedmd.com/>.
# Please also read the included file: DISCLAIMER.
#
# Slurm is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# Slurm is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along
# with Slurm; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA.
############################################################################
source ./globals

set array_end   3
set data_in     "DATA_IN_0123456789"
set data_out    "DATA_OUT_9876543210"
set input_data  "$test_dir/data.in"
set output_data "$test_dir/data.out"
set output_use  "$test_dir/%A_%a.output"
set script_use  "$test_dir/use.bash"
set tmp_file    "$test_dir/tmp_file"
set job_id      0

if {[get_my_uid] == 0} {
	skip "This test can't be run as user root"
}

if {![param_contains [get_config_param "BurstBufferType"] "*datawarp"]} {
	skip "This test can only be run with the burst_buffer/datawarp plugin"
}

proc cleanup {} {
	global job_id

	cancel_job $job_id
}

run_command -fail "$bin_echo $data_in >$input_data"

if [check_bb_emulate] {
make_bash_script $script_use "#DW jobdw type=scratch capacity=1GiB access_mode=striped,private type=scratch
#DW stage_in type=file source=$input_data destination=\$DW_JOB_STRIPED/$tmp_file
#DW stage_out type=file destination=$output_data source=\$DW_JOB_STRIPED/$tmp_file
$bin_cat $input_data
$bin_echo $data_out >$output_data
$scontrol show burst
exit 0"
} else {
make_bash_script $script_use "#DW jobdw type=scratch capacity=1GiB access_mode=striped,private type=scratch
#DW stage_in type=file source=$input_data destination=\$DW_JOB_STRIPED/$tmp_file
#DW stage_out type=file destination=$output_data source=\$DW_JOB_STRIPED/$tmp_file
$bin_cat \$DW_JOB_STRIPED/$tmp_file
$bin_echo $data_out >\$DW_JOB_STRIPED/$tmp_file
$scontrol show burst
exit 0"
}

set job_id [submit_job -fail "-t1 -N1 --output=$output_use --array=1-${array_end} $script_use"]
wait_for_job -fail -timeout 660 $job_id "DONE"

for {set cnt 1} {$cnt<=$array_end} {incr cnt} {
	set job_array_id "${job_id}_${cnt}"
	set output_file "$test_dir/${job_array_id}.output"
	wait_for_file -fail -timeout 660 $output_file

	set output [run_command_output -fail "$bin_cat $output_file"]
	subtest {[regexp "JobID=$job_array_id" $output]} "Verify burst buffer is found" "for $job_array_id"
	subtest {[regexp "$data_in" $output]} "Verify burst buffer input is found" "for $job_array_id"
}

set output [run_command_output -fail "$bin_cat $output_data"]
subtest {[regexp "$data_out" $output]} "Verify burst buffer output is found"

# Wait for stage-out completion
sleep 5

set output [run_command_output -fail "$scontrol show burst"]
subtest {![regexp "JobID=$job_id" $output]} "Verify burst buffer is removed"
